Finding the Fourth Proportional to 11,304,373.28, 15,603,547.68 and 8,985,380.66
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Solution
The fourth proportional to 11,304,373.28, 15,603,547.68 and 8,985,380.66 is: 12,402,617.29
Step by Step Solution
- Step 1: Write the proportion equation
11,304,373.28 : 15,603,547.68 = 8,985,380.66 : x - Step 2: Convert to fraction form
11,304,373.28/15,603,547.68 = 8,985,380.66/x - Step 3: Cross multiply
11,304,373.28x = 15,603,547.68 × 8,985,380.66 - Step 4: Simplify right side
11,304,373.28x = 140,203,815,551,259.88 - Step 5: Solve for x
x = 140,203,815,551,259.88/11,304,373.28 - Step 6: Final answer
x = 12,402,617.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.